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Merge git://www.linux-watchdog.org/linux-watchdog

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Watchdog updates from Wim Van Sebroeck:

* git://www.linux-watchdog.org/linux-watchdog:
  watchdog: fix GETTIMEOUT ioctl in booke_wdt
  watchdog: update maintainers git entry
  watchdog: Fix typo in pnx4008_wdt.c
  watchdog: Fix typo in Kconfig
  watchdog: fix error in probe() of s3c2410_wdt (reset at booting)
  watchdog: hpwdt: clean up set_memory_x call for 32 bit
This commit is contained in:
Linus Torvalds 2012-03-01 18:27:43 -08:00
commit 1f033c1a6e
6 changed files with 42 additions and 32 deletions
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2
MAINTAINERS
View File

@ -7271,7 +7271,7 @@ WATCHDOG DEVICE DRIVERS
M: Wim Van Sebroeck <wim@iguana.be>
L: linux-watchdog@vger.kernel.org
W: http://www.linux-watchdog.org/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog.git
T: git git://www.linux-watchdog.org/linux-watchdog.git
S: Maintained
F: Documentation/watchdog/
F: drivers/watchdog/

2
drivers/watchdog/Kconfig
View File

@ -1098,7 +1098,7 @@ config BOOKE_WDT_DEFAULT_TIMEOUT
For Freescale Book-E processors, this is a number between 0 and 63.
For other Book-E processors, this is a number between 0 and 3.
The value can be overidden by the wdt_period command-line parameter.
The value can be overridden by the wdt_period command-line parameter.
# PPC64 Architecture

6
drivers/watchdog/booke_wdt.c
View File

@ -198,9 +198,13 @@ static long booke_wdt_ioctl(struct file *file,
booke_wdt_period = tmp;
#endif
booke_wdt_set();
return 0;
/* Fall */
case WDIOC_GETTIMEOUT:
#ifdef CONFIG_FSL_BOOKE
return put_user(period_to_sec(booke_wdt_period), p);
#else
return put_user(booke_wdt_period, p);
#endif
default:
return -ENOTTY;
}

5
drivers/watchdog/hpwdt.c
View File

@ -231,7 +231,7 @@ static int __devinit cru_detect(unsigned long map_entry,
cmn_regs.u1.reax = CRU_BIOS_SIGNATURE_VALUE;
set_memory_x((unsigned long)bios32_entrypoint, (2 * PAGE_SIZE));
set_memory_x((unsigned long)bios32_map, 2);
asminline_call(&cmn_regs, bios32_entrypoint);
if (cmn_regs.u1.ral != 0) {
@ -250,7 +250,8 @@ static int __devinit cru_detect(unsigned long map_entry,
cru_rom_addr =
ioremap(cru_physical_address, cru_length);
if (cru_rom_addr) {
set_memory_x((unsigned long)cru_rom_addr, cru_length);
set_memory_x((unsigned long)cru_rom_addr & PAGE_MASK,
(cru_length + PAGE_SIZE - 1) >> PAGE_SHIFT);
retval = 0;
}
}

2
drivers/watchdog/pnx4008_wdt.c
View File

@ -264,7 +264,7 @@ static int __devinit pnx4008_wdt_probe(struct platform_device *pdev)
wdt_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (wdt_mem == NULL) {
printk(KERN_INFO MODULE_NAME
"failed to get memory region resouce\n");
"failed to get memory region resource\n");
return -ENOENT;
}

57
drivers/watchdog/s3c2410_wdt.c
View File

@ -312,18 +312,26 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev)
dev = &pdev->dev;
wdt_dev = &pdev->dev;
/* get the memory region for the watchdog timer */
wdt_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (wdt_mem == NULL) {
dev_err(dev, "no memory resource specified\n");
return -ENOENT;
}
wdt_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (wdt_irq == NULL) {
dev_err(dev, "no irq resource specified\n");
ret = -ENOENT;
goto err;
}
/* get the memory region for the watchdog timer */
size = resource_size(wdt_mem);
if (!request_mem_region(wdt_mem->start, size, pdev->name)) {
dev_err(dev, "failed to get memory region\n");
return -EBUSY;
ret = -EBUSY;
goto err;
}
wdt_base = ioremap(wdt_mem->start, size);
@ -335,29 +343,17 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev)
DBG("probe: mapped wdt_base=%p\n", wdt_base);
wdt_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (wdt_irq == NULL) {
dev_err(dev, "no irq resource specified\n");
ret = -ENOENT;
goto err_map;
}
ret = request_irq(wdt_irq->start, s3c2410wdt_irq, 0, pdev->name, pdev);
if (ret != 0) {
dev_err(dev, "failed to install irq (%d)\n", ret);
goto err_map;
}
wdt_clock = clk_get(&pdev->dev, "watchdog");
if (IS_ERR(wdt_clock)) {
dev_err(dev, "failed to find watchdog clock source\n");
ret = PTR_ERR(wdt_clock);
goto err_irq;
goto err_map;
}
clk_enable(wdt_clock);
if (s3c2410wdt_cpufreq_register() < 0) {
ret = s3c2410wdt_cpufreq_register();
if (ret < 0) {
printk(KERN_ERR PFX "failed to register cpufreq\n");
goto err_clk;
}
@ -378,12 +374,18 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev)
"cannot start\n");
}
ret = request_irq(wdt_irq->start, s3c2410wdt_irq, 0, pdev->name, pdev);
if (ret != 0) {
dev_err(dev, "failed to install irq (%d)\n", ret);
goto err_cpufreq;
}
watchdog_set_nowayout(&s3c2410_wdd, nowayout);
ret = watchdog_register_device(&s3c2410_wdd);
if (ret) {
dev_err(dev, "cannot register watchdog (%d)\n", ret);
goto err_cpufreq;
goto err_irq;
}
if (tmr_atboot && started == 0) {
@ -408,23 +410,26 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev)
return 0;
err_irq:
free_irq(wdt_irq->start, pdev);
err_cpufreq:
s3c2410wdt_cpufreq_deregister();
err_clk:
clk_disable(wdt_clock);
clk_put(wdt_clock);
err_irq:
free_irq(wdt_irq->start, pdev);
wdt_clock = NULL;
err_map:
iounmap(wdt_base);
err_req:
release_mem_region(wdt_mem->start, size);
wdt_mem = NULL;
err:
wdt_irq = NULL;
wdt_mem = NULL;
return ret;
}
@ -432,18 +437,18 @@ static int __devexit s3c2410wdt_remove(struct platform_device *dev)
{
watchdog_unregister_device(&s3c2410_wdd);
free_irq(wdt_irq->start, dev);
s3c2410wdt_cpufreq_deregister();
clk_disable(wdt_clock);
clk_put(wdt_clock);
wdt_clock = NULL;
free_irq(wdt_irq->start, dev);
wdt_irq = NULL;
iounmap(wdt_base);
release_mem_region(wdt_mem->start, resource_size(wdt_mem));
wdt_irq = NULL;
wdt_mem = NULL;
return 0;
}